managed to did还是managed to do

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• 请帮我翻译一下这一段英文吧（400多字）,是专业文献里面的（数字图像处理）有点难度,翻译的好再追加分.我从来没有翻译过这种论文,自己翻译了一下午才译出了3000字,而且读起来很不顺畅,感觉上还是英文式的中文.我想请教一下专业的朋友,这段到底该怎样翻译,我想仿照您给翻译的风格继续翻译下去.——————————————————————Integrating this process along a ray emerging from theviewer, in the case of a spatially varying β , gives t=exp(-∫β(r(s))ds), (1)where r is an arc-length parametrization of the ray. The fraction t is called the transmission and expresses the relative portion of light that managed to s
• do not forget to bring your camera回答i did 还是i do
• make sb do 要是过去式made 后面加did还是do还有ask sb 后面加什么,ask过去式后面的还用变吗
• I would rather you __(not do)that about it for the time being .是填had not done还是did not do ?
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• 几道英文解释句子.帮我改一下对还是错.What an interesting story this is!改:How interesting this story is!What do you think of the film?改:How do you like the film?Let's sing the English song,shall we?改:Shall we sing the English song?Mr.Smith paid 100 dollars for the books.改:The books cost Mr.Smith 100 dollars.按要求改写句子:Mr.Smith decided to go to the concert.(go to the concert划线提问)Where did Mr Smith decide to go?(Where可以吗?还是What?)Thank you for inviting me to your birthday.我的回
• move to do sth还是on doing sth?when did you ____ table tennis?two years ago.Later,I syudied in Tsinghua University.A.stop to play B.stop playing C.start to play D.start playingIt’s going to be sunny.You _____ to take your umbrella with you.A.haven’t B.didn't have C.aren”t have D.won‘t have 填介词.Listen ___ the tape and write ______ key words.____ the morning _____ July 2,2009._____ autumn,he always helps his uncle _____ the farm.One ____________ the most
• 关于IF条件句if条件句中did would do 表与现在事实相反的猜测had done would have done 表与过去事实相反的猜测那么 did would be doing 与 had done would have been doing表示什么呢再顺带问一个问题 my favoutite animal is pandas 还是 my favourite animals are pandas 还是 my favourite animal are pandas还有两个不可数名词谓语动词用什么 如 milk and bread is/are my breakfast
• I managed to do a few longer runs翻译
• 已知△ABC的周长为48cm，最长边与最短边之差为14cm，另一边与最短边之和为25cm，求△ABC各边的长．